251 lines
7.7 KiB
C
251 lines
7.7 KiB
C
/* -*- c-basic-offset: 8 -*-
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*
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* fw.h -- Internal header file for firewire raw1394 emulation
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*
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* Copyright (C) 2007 Kristian Hoegsberg <krh@bitplanet.net>
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*
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* This library is licensed under the GNU Lesser General Public License (LGPL),
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* version 2.1 or later. See the file COPYING.LIB in the distribution for
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* details.
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*/
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#ifndef LIBRAW1394_FW_H
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#define LIBRAW1394_FW_H
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#include <stdlib.h>
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#include <byteswap.h>
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#include <linux/firewire-cdev.h>
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#include "raw1394.h"
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#include "csr.h"
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#include "config.h"
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#define ptr_to_u64(p) ((__u64)(unsigned long)(p))
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#define u64_to_ptr(p) ((void *)(unsigned long)(p))
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static inline __u32
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be32_to_cpu(__u32 q)
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{
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union { char c[4]; __u32 q; } u = { { 1, 0, 0, 0 } };
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return u.q == 1 ? bswap_32(q) : q;
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}
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static inline __u32
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cpu_to_be32(__u32 q)
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{
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return be32_to_cpu(q);
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}
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#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
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#define BUFFER_SIZE (16 * 1024)
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#define MAX_PORTS 16
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struct fw_handle;
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struct epoll_closure {
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int (*func)(raw1394handle_t handle,
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struct epoll_closure *closure, __uint32_t events);
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};
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struct port {
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char device_file[32];
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char *name;
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int node_count;
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int card;
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};
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#define MAX_DEVICES 63
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#define FILENAME_SIZE 16
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struct device {
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struct epoll_closure closure;
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int fd;
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int node_id;
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int generation;
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char filename[FILENAME_SIZE];
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};
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struct request_closure {
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void *data;
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size_t length;
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unsigned long tag;
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};
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struct allocation;
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struct fw_handle {
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struct port ports[MAX_PORTS];
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int port_count;
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int err;
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int generation;
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int abi_version;
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void *userdata;
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int notify_bus_reset;
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bus_reset_handler_t bus_reset_handler;
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tag_handler_t tag_handler;
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arm_tag_handler_t arm_tag_handler;
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fcp_handler_t fcp_handler;
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__u32 fcp_allocation_handle;
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struct allocation *allocations;
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int ioctl_fd;
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int epoll_fd;
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int inotify_fd;
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int inotify_watch;
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int pipe_fds[2];
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struct epoll_closure pipe_closure;
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struct epoll_closure inotify_closure;
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struct device devices[MAX_DEVICES];
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struct device *local_device;
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int nodes[MAX_DEVICES];
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struct fw_cdev_event_bus_reset reset;
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struct {
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char *filename;
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struct epoll_closure closure;
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int fd;
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int type;
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int irq_interval;
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int packet_phase;
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int packet_count;
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int packet_index;
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int buf_packets;
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int max_packet_size;
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int prebuffer;
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int start_on_cycle;
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enum raw1394_iso_dma_recv_mode recv_mode;
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enum { ISO_STOPPED, ISO_ACTIVE } state;
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raw1394_iso_xmit_handler_t xmit_handler;
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raw1394_iso_recv_handler_t recv_handler;
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unsigned char *buffer, *buffer_end, *head;
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unsigned char *tail, *first_payload;
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struct fw_cdev_iso_packet *packets;
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} iso;
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char buffer[BUFFER_SIZE];
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};
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typedef struct fw_handle *fw_handle_t;
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int fw_loop_iterate(raw1394handle_t handle);
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fw_handle_t fw_new_handle(void);
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void fw_destroy_handle(fw_handle_t handle);
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fw_handle_t fw_new_handle_on_port(int port);
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int fw_busreset_notify (fw_handle_t handle, int off_on_switch);
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int fw_get_fd(fw_handle_t handle);
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nodeid_t fw_get_local_id(fw_handle_t handle);
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nodeid_t fw_get_irm_id(fw_handle_t handle);
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int fw_get_nodecount(fw_handle_t handle);
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int fw_get_port_info(fw_handle_t handle, struct raw1394_portinfo *pinf,
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int maxports);
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int fw_set_port(fw_handle_t handle, int port);
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int fw_reset_bus_new(fw_handle_t handle, int type);
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int fw_arm_register(fw_handle_t handle, nodeaddr_t start,
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size_t length, byte_t *initial_value,
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octlet_t arm_tag, arm_options_t access_rights,
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arm_options_t notification_options,
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arm_options_t client_transactions);
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int fw_arm_unregister(fw_handle_t handle, nodeaddr_t start);
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int fw_arm_set_buf(fw_handle_t handle, nodeaddr_t start,
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size_t length, void *buf);
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int fw_arm_get_buf(fw_handle_t handle, nodeaddr_t start,
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size_t length, void *buf);
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int fw_echo_request(fw_handle_t handle, quadlet_t data);
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int fw_wake_up(fw_handle_t handle);
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int fw_phy_packet_write (fw_handle_t handle, quadlet_t data);
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int fw_start_phy_packet_write(fw_handle_t handle,
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quadlet_t data, unsigned long tag);
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int fw_start_read(fw_handle_t handle, nodeid_t node, nodeaddr_t addr,
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size_t length, quadlet_t *buffer, unsigned long tag);
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int fw_start_write(fw_handle_t handle, nodeid_t node, nodeaddr_t addr,
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size_t length, quadlet_t *data, unsigned long tag);
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int fw_start_lock(fw_handle_t handle, nodeid_t node, nodeaddr_t addr,
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unsigned int extcode, quadlet_t data, quadlet_t arg,
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quadlet_t *result, unsigned long tag);
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int fw_start_lock64(fw_handle_t handle, nodeid_t node, nodeaddr_t addr,
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unsigned int extcode, octlet_t data, octlet_t arg,
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octlet_t *result, unsigned long tag);
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int fw_start_async_stream(fw_handle_t handle, unsigned int channel,
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unsigned int tag, unsigned int sy,
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unsigned int speed, size_t length, quadlet_t *data,
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unsigned long rawtag);
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int fw_start_async_send(fw_handle_t handle,
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size_t length, size_t header_length,
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unsigned int expect_response,
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quadlet_t *data, unsigned long rawtag);
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int fw_read(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
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size_t length, quadlet_t *buffer);
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int fw_write(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
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size_t length, quadlet_t *data);
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int fw_lock(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
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unsigned int extcode, quadlet_t data, quadlet_t arg,
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quadlet_t *result);
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int fw_lock64(raw1394handle_t handle, nodeid_t node, nodeaddr_t addr,
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unsigned int extcode, octlet_t data, octlet_t arg,
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octlet_t *result);
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int fw_async_stream(raw1394handle_t handle, unsigned int channel,
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unsigned int tag, unsigned int sy, unsigned int speed,
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size_t length, quadlet_t *data);
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int fw_async_send(fw_handle_t handle,
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size_t length, size_t header_length,
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unsigned int expect_response,
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quadlet_t *data);
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int fw_start_fcp_listen(fw_handle_t handle);
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int fw_stop_fcp_listen(fw_handle_t handle);
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int fw_update_config_rom(fw_handle_t handle, const quadlet_t *new_rom,
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size_t size, unsigned char rom_version);
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int fw_get_config_rom(fw_handle_t handle, quadlet_t *buffer,
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size_t buffersize, size_t *rom_size,
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unsigned char *rom_version);
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int fw_bandwidth_modify(raw1394handle_t handle,
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unsigned int bandwidth,
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enum raw1394_modify_mode mode);
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int fw_channel_modify(raw1394handle_t handle,
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unsigned int channel,
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enum raw1394_modify_mode mode);
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int fw_iso_xmit_start(raw1394handle_t handle, int start_on_cycle,
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int prebuffer_packets);
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int fw_iso_recv_start(fw_handle_t handle, int start_on_cycle,
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int tag_mask, int sync);
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int fw_iso_xmit_write(raw1394handle_t handle, unsigned char *data,
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unsigned int len, unsigned char tag,
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unsigned char sy);
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int fw_iso_xmit_sync(raw1394handle_t handle);
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int fw_iso_recv_flush(fw_handle_t handle);
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int fw_iso_xmit_init(fw_handle_t handle,
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raw1394_iso_xmit_handler_t handler,
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unsigned int buf_packets,
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unsigned int max_packet_size,
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unsigned char channel,
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enum raw1394_iso_speed speed,
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int irq_interval);
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int fw_iso_recv_init(fw_handle_t handle,
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raw1394_iso_recv_handler_t handler,
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unsigned int buf_packets,
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unsigned int max_packet_size,
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unsigned char channel,
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enum raw1394_iso_dma_recv_mode mode,
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int irq_interval);
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int fw_iso_multichannel_recv_init(fw_handle_t handle,
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raw1394_iso_recv_handler_t handler,
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unsigned int buf_packets,
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unsigned int max_packet_size,
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int irq_interval);
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int fw_iso_recv_listen_channel(fw_handle_t handle,
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unsigned char channel);
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int fw_iso_recv_unlisten_channel(fw_handle_t handle,
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unsigned char channel);
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int fw_iso_recv_set_channel_mask(fw_handle_t handle, u_int64_t mask);
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void fw_iso_stop(fw_handle_t handle);
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void fw_iso_shutdown(fw_handle_t handle);
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int fw_read_cycle_timer(fw_handle_t handle,
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u_int32_t *cycle_timer, u_int64_t *local_time);
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#endif
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